Vending machine



FIG. 1 is a top and right front perspective view of a vending machine showing our new design;

FIG. 2 is a front elevational view of a second embodiment of our new design of FIG. 1;

FIG. 3 is a front elevational view of a third embodiment of our new design of FIG. 1; and

FIG. 4 is a front elevational view of a fourth embodiment of our new design of FIG. 1.

Top and right side of FIGS. 2-4 embodiments are identical with those of FIG. 1 and the left sides for FIGS. 1-4 are substantially identical to the right side of FIG. 1; and, the broken lines of FIGS. 1-4 are environmental only and form no part of the claimed design. 

The ornamental design for a vending machine, as shown and described herein. 